Ne èƒo kakɛ aɖe kpɔ la PTFE-fa fiberglass avɔ ɖaɖɛ, ɖewohĩ èkpɔ fli ɣi aɖe si ƒe fliwo le ʋuʋu enumake. Gaƒoe ɖe teƒe ma ke, eye avɔa ate ŋu avuvu.
Esia menye nusi gblẽ o – enye nusi wotsɔ wɔe ƒe nuwɔna si le dzɔdzɔme nu. PTFE avɔ si ƒe dzoxɔxɔ lolo la bi ɖe dzoxɔxɔ, atikewo, kple nuléle ɖe nu ŋu me, gake tsitretsitsi ɖe flex ŋu (si te ŋu nɔa te ɖe wo babla enuenu) ye nye eƒe mɔ̃ɖaŋununya si gbɔdzɔ wu.
Aokai PTFE do flex agbenɔnɔ kpɔ le titrime kple weaves geɖewo me. Nyati sia ɖe nusita avɔa mebla nyuie o me, etsɔe sɔ kple nu bubuwo, eye wògblɔ mɔnu nyui siwo dzi woato awɔ dɔ tso seɖoƒea ŋu.
Nukatae PTFE Avɔ Me Tsitretsitsi Ðe Flex Ŋu Menyo O?
Nusi gbɔ wòtsonae nye fiberglass substrate , ke menye PTFE ƒe nutsyɔnu o.
1. Fiberglass – sesẽ gake wògbãna
Glass ka ƒe tensile strength lolo ŋutɔ gake woƒe didime le sue ŋutɔ ne wogbã (zi geɖe la, 2-4%). Ne wobɔbɔ wo enuenu la, ɖeɖi tea ka ɖekaɖekawo ŋu eye wogbãna. Ne ka ʋee aɖewo nya gbã ko la, nuteɖeamedzi va nɔa esiwo susɔ la ŋu, si wɔnɛ be wokaka kabakaba – avɔa vuvu bɔbɔe.
2. PTFE ƒe nutsyɔnu – buffer si seɖoƒe li na
PTFE ƒe ƒuƒoƒoa dea ami kaawo ƒe kaawo, si ɖea ememe ʋuʋu dzi kpɔtɔna eye wònaa woƒe ʋuʋu nyona ɖe edzi vie. Gake mate ŋu aɖe ahuhɔ̃e ƒe gbagbã ɖa o. Ðeko wòhea ka ƒe gbagbã ɖe megbe vie.
Aleke Wòtsɔ Sɔ Kple Nu Bubuwoe?
Nu
Flex Tsitretsitsi (Le ƒomedodo me) .
Nu ka ta
Fiberglass si wofa PTFE (nyati sia) .
Da ahe
Glass-ka siwo gbãna la gbãna ne wobɔbɔ wo enuenu
PTFE film dzadzɛ (si woɖe le skived) .
Enyo ŋutɔ (keke akpe alafa geɖe) .
Dodoɖeŋgɔ aɖeke meli o, molecule ƒe kɔsɔkɔsɔ siwo te ŋu trɔna bɔbɔe
Avɔ si wotsɔ fiberglass si womefa o
Vɔ̃ɖi wu esi wofa ɖe eŋu
PTFE ƒe nutsyɔnu ɖea ka siwo le wo nɔewo dome ƒe ʋuʋu dzi kpɔtɔna, eyata nutsyɔtsyɔ nyona vie
Aramid avɔ (le kpɔɖeŋu me, Nomex) .
Enyo
Le dzɔdzɔme nu la, ka siwo wotsɔ lãwo ƒe lãmenugbagbeviwo wɔe la te ŋu trɔna bɔbɔe wu
Nu vevi si woatsɔ ayi: Fiberglass si wotsɔ PTFE ƒoe la nɔa anyi ɖe titina vaseɖe anyime le avɔ siwo ƒe dzoxɔxɔ lolo dome hena tsitretsitsi ɖe flex ŋu. Enyo wu glass ƒuƒlu gake evɔ̃ɖi kura wu PTFE film dzadzɛ.
Nu Vevi Siwo Kpɔa Ŋusẽ Ðe Flex Tsitretsitsi Ŋu
1. Titrime – nu vevitɔ kekeake
Eƒe titrime
Dzidodo si Woatsɔ Aƒoe Ate Ðe Eŋu
Dodokpɔ ƒe Nɔnɔme
0.08mm ƒe didime
Zi alafa geɖe va ɖo ~1,000
Micro-cracking vivivi
0.13mm ƒe didime
Zi bla nanewo va ɖo alafa ʋɛ aɖewo
White crease le ɖaƒoƒo ɖaɖɛ megbe
0.25mm kple edzivɔ
Kplɔ̃ bla nanewo – gbagbã si wokpɔna le tsatsam 50 me
Brittle gbagbã, nutsyɔnu ƒe delamination
Se si woatsɔ awɔ dɔe: Avɔ siwo le tsɛ wu la bɔbɔna nyuie wu. Le dɔwɔwɔ siwo hiã be woabɔbɔ wo enuenu gome la, gblɔ dzesi si le tsɛ wu si akpɔ wò nuhiahiã bubuwo gbɔ (ŋusẽ, dzoxɔxɔ).
2. Avɔlɔlɔ̃ ƒe xɔtutu
Satin weave – floats didiwo nana kawo te ŋu ƒua du vie, si maa bending stress. Flex life nyo wu plain weave.
Ne dzoxɔxɔ si kɔ (200-260°C) la, PTFE ƒe nutsyɔnu la fa, eye fiberglass ƒe mɔ̃ ƒe ŋusẽ dzi ɖena kpɔtɔna. Esia gagblẽa nu le flex fatigue resistance ŋu. Ne wò dɔdamɔnua lɔ dzoxɔxɔ gã kple eƒoƒo enuenu siaa ɖe eme la, ke kpɔ mɔ be wòanɔ kpuie wu.
4. Bending ƒe didime
Radius si lolo wu = agbenɔƒe didi wu. Sharp creasing (radius <1mm) naa lãgbalẽ kuku siwo me ka gbãna enumake. Le mɔfianu rollers gome la, zã didime nyuitɔ kekeake si woate ŋu azã. Abe mɔfianu si me mekɔ o ene la, roller ƒe didime suetɔ kekeake si wokafu nye avɔa ƒe titrime ƒe teƒe 10-20.
Ememe dodokpɔ ŋuti nyatakakawo (Aokai PTFE) : Le 0.13mm satin weave avɔ gome la, bɔbɔ ɖe 10mm mandrel dzi ɖoa tsatsam 500-800 hafi wògbãna wòdzena. Le 5mm mandrel dzi la, tsikpewo ɖiɖi va ɖo 100-150. Le 2mm mandrel (sharp crease) dzi la, kpododonu dzɔ le tsatsam 20 me.
Aɖaŋuɖoɖo Siwo Ku Ðe Dɔwɔwɔ Ŋu
Ne wò dɔwɔnuwo hiã be woabɔbɔ wo nɔewo enuenu – abe:
Welder ʋukuku ƒe alidziblanu siwo ƒe frequency deŋgɔ
Tension belt siwo xatsa ɖe pulley suewo ŋu
Demolding conveyor belts kple tɔtrɔ ɖaɖɛwo
Tiatia etɔ̃ le asiwò:
1. Tiatia 1 – Na PTFE avɔ tiatia nanyo ɖe edzi le eƒe seɖoƒewo me
Tia esiwo le tsɛ wu (0.08mm va ɖo 0.13mm) wu esiwo kpekpe
Pure PTFE film (skived) ƒe flex tsitretsitsi tɔxɛ aɖe le esi. Gake fiberglass-ŋusẽ si wotsɔ doa ŋusẽe la mele eŋu o, eyata eƒe tenɔnɔ ƒe ŋusẽ bɔbɔna eye wòvuvuna bɔbɔe ne wote ɖe eŋu. Esɔ na kekeli-dɔ, low-tension bending dɔwɔwɔwo.
Aramid (le kpɔɖeŋu me, Nomex) alo PPS avɔ si wotsɔ PTFE tsyɔ la naa agbe si woate ŋu abɔbɔ nyuie wu PTFE avɔ si wotu ɖe glass dzi. Asitsatsa: dzoxɔxɔ ƒe tsitretsitsi si yia edzi si bɔbɔ ɖe anyi (zi geɖe la, ≤200°C) kple anyigba ƒe nɔnɔme vovovowo. Ne èdi be yeazã esiwo le dzoxɔxɔ 200°C te kple esiwo wobɔbɔ vevie la, bu mɔnu bubu siawo ŋu kpɔ.
Aokai PTFE wɔa aramid avɔ si wofa PTFE ne wobiae. Te ɖe mía ŋu hena dzoxɔxɔ kple flex data.
Kpuie ko la – Nya Seɖoƒeawo, Wɔ Ðoɖo Ðe Eŋu
PTFE avɔ si me dzoxɔxɔ le ŋutɔ la nɔa te nyuie ɖe teteɖeanyi, dzoxɔxɔ gã (260°C), kple atikewo ƒe amedzidzedze nu. Gake eƒe flex resistance madeamedzi nye mɔxenu ŋutɔŋutɔ. Mate ŋu anɔ te ɖe babla ɖaɖɛ enuenu abe rababa ƒe alidziblanu alo PTFE film dzadzɛ ene o.
Zãe le afisiwo wòbɔbɔna le bɔbɔe alo mebɔ o. Le afisiwo womate ŋu aƒo asa na be woabɔbɔ wo ɖaa alo woabɔbɔ wo enuenu o la, yi ɖa tsɛ wu, zã satin-lãgbalẽ, dzi ƒoƒo ƒe didime ɖe edzi, alo nàtrɔ nusi wotsɔ wɔe.
